This report summarizes all water quality data collected
at Site PCR-40, Portage Creek in the Portage Creek at Gage #04106300 Basin of the Portage Creek Sub-Watershed, which is part of the larger
Kalamazoo River Watershed. (see map to the right)

Water sampling and measurements are conducted by Environmental
Health Bureau staff.

Portage Creek at Gage #04106300 (State of Michigan Basin ID #: 17 58)

Portage Creek

PCR-40

South side of Milham Avenue @ T.G. Walbridge D.D.S.

City of Portage (10)

Site Code: PCR-40, Portage Creek

Sample

Sample

E. coli Bacteria

Water Temperature

Dissolved Oxygen

pH

Conductivity

TDS

Turbidity

Date

Time

(MPN)

(degrees F)

mg/L

% Saturation

(units)

(mS / cm)

(g / L)

(NTU)

05/28/2009

13:10

238.2

56.9

9.8

94.6%

8.24

0.740

0.5

4.1

12/29/2008

14:40

141.4

39.9

12.0

93.0%

7.92

0.757

0.5

7.0

10/22/2008

11:15

137.6

48.0

11.9

10.2%

8.14

0.735

0.5

4.2

09/10/2008

09:35

365.4

55.8

8.5

81.7%

7.90

0.727

0.5

6.2

07/02/2008

09:06

214.3

61.5

N/A

N/A

7.96

0.731

0.5

3.1

04/15/2008

10:10

27.5

48.7

10.5

91.2%

7.12

0.709

0.5

2.8

03/18/2008

10:22

56.3

44.9

9.9

81.7%

7.67

0.801

0.5

4.4

02/21/2008

11:13

78.4

39.8

N/A

N/A

8.84

0.802

0.5

6.7

01/29/2008

10:40

48.8

44.1

N/A

N/A

8.96

0.840

0.5

5.9

11/06/2007

10:10

133.4

48.7

6.5

56.5%

7.67

0.861

0.6

4.3

07/26/2007

11:20

461.1

63.1

9.7

101.3%

8.11

0.736

0.5

2.0

06/19/2007

12:35

1,553.1

67.8

16.4

180.7%

8.04

0.695

0.5

3.0

05/15/2007

11:55

146.7

64.2

10.1

106.6%

8.35

0.756

0.5

3.4

04/10/2007

12:05

37.7

50.1

10.5

93.3%

8.20

0.779

0.5

3.3

01/16/2007

12:00

48.8

43.0

11.2

90.1%

8.12

0.715

0.5

9.6

11/16/2006

08:40

91.0

46.3

9.6

80.7%

7.99

0.663

0.4

4.2

10/04/2006

11:00

579.4

61.9

7.2

75.5%

7.82

0.633

0.4

N/A

08/10/2006

11:35

365.4

66.8

9.4

102.2%

8.05

0.698

0.5

5.6

06/15/2006

10:50

378.4

61.9

9.4

95.9%

8.08

0.719

0.5

N/A

04/27/2006

11:20

107.1

57.1

10.8

108.7%

7.89

0.717

0.5

2.8

03/23/2006

11:55

31.3

48.1

6.4

56.6%

8.38

0.731

0.5

8.4

01/12/2006

12:15

45.7

51.6

8.3

76.6%

8.18

0.749

0.5

13.4

11/15/2005

11:30

141.4

54.5

8.2

80.2%

7.96

0.746

0.5

10.4

10/06/2005

14:10

325.5

63.4

7.6

85.9%

7.95

0.753

0.5

6.7

08/31/2005

12:20

517.2

66.7

5.4

58.8%

7.99

0.738

0.5

3.7

07/07/2005

14:00

238.2

70.6

9.7

113.0%

8.09

0.710

0.5

2.0

05/05/2005

13:30

36.4

N/A

N/A

N/A

N/A

N/A

N/A

N/A

04/14/2005

11:40

123.4

N/A

N/A

N/A

N/A

N/A

N/A

N/A

03/22/2005

12:30

50.4

N/A

N/A

N/A

N/A

N/A

N/A

N/A

01/25/2005

11:50

76.3

49.6

8.8

79.0%

7.82

0.788

0.5

13.2

11/05/2004

12:40

142.1

49.8

9.4

84.6%

7.69

0.609

0.4

5.4

10/06/2004

13:10

93.2

56.2

10.6

103.0%

8.00

0.671

0.4

4.5

09/10/2004

11:00

185.0

67.9

7.8

80.2%

7.74

0.710

0.5

9.5

08/05/2004

14:33

435.2

66.9

8.1

90.1%

7.90

0.614

0.4

6.3

07/02/2004

10:25

313.0

N/A

N/A

N/A

N/A

N/A

N/A

N/A

05/20/2004

10:10

143.9

64.0

7.9

85.6%

7.77

0.630

0.4

6.4

04/22/2004

12:02

75.4

57.6

11.0

110.5%

8.28

0.648

0.4

5.3

04/01/2004

12:55

86.0

54.7

11.1

107.6%

8.22

0.635

0.4

6.3

03/12/2004

13:22

24.6

47.8

9.7

86.8%

8.02

0.704

0.5

9.2

02/19/2004

11:00

152.9

46.8

9.2

81.2%

8.11

0.631

0.4

12.7

01/30/2004

10:45

57.8

38.7

10.0

77.2%

8.08

0.709

0.5

21.8

01/09/2004

10:05

187.2

39.0

11.2

87.7%

8.01

0.632

0.4

29.2

12/10/2003

10:40

517.2

48.7

9.0

80.5%

7.96

0.577

0.4

15.9

11/05/2003

09:30

381.1

53.7

8.9

84.1%

8.23

0.480

0.3

10.4

10/24/2003

11:22

93.3

51.4

12.1

110.3%

8.64

0.607

0.4

5.2

08/08/2003

11:30

325.5

63.1

7.0

75.2%

8.17

0.386

0.3

4.8

07/02/2003

10:15

461.1

64.7

10.2

110.6%

8.27

0.612

0.4

2.5

06/18/2003

11:29

275.5

64.6

11.3

124.1%

8.29

0.603

0.4

5.0

06/04/2003

10:11

209.8

59.8

8.4

87.0%

8.06

0.625

0.4

4.1

05/21/2003

10:45

165.8

59.3

9.1

93.1%

7.97

0.636

0.4

3.8

05/06/2003

10:21

325.5

58.9

8.3

84.2%

7.92

0.663

0.4

4.6

04/23/2003

09:03

98.7

43.5

9.2

76.7%

8.03

0.542

0.4

5.2

04/09/2003

13:53

62.0

51.2

11.0

102.7%

8.18

0.641

0.4

5.8

03/25/2003

10:15

218.7

52.8

9.4

89.4%

7.68

0.727

0.5

N/A

03/11/2003

10:09

113.0

39.3

12.6

98.4%

8.63

0.643

0.4

N/A

02/25/2003

10:04

48.8

36.9

12.7

97.4%

8.45

1.023

0.7

N/A

02/11/2003

09:48

81.3

35.8

12.7

96.2%

8.10

0.690

0.4

N/A

01/28/2003

09:57

816.4

38.9

10.1

93.6%

8.24

0.619

0.4

N/A

01/14/2003

09:28

135.4

38.0

7.7

70.9%

8.15

0.632

0.4

N/A

12/27/2002

13:38

46.4

40.1

7.9

62.7%

8.07

0.651

0.4

N/A

12/10/2002

14:30

24.3

43.9

N/A

N/A

7.03

0.633

0.4

N/A

11/19/2002

08:44

298.7

46.4

8.5

73.4%

7.89

0.596

0.4

N/A

11/07/2002

08:30

129.6

46.5

8.7

75.1%

7.82

0.644

0.4

N/A

10/22/2002

09:20

360.9

49.7

7.9

71.4%

8.02

0.638

0.4

N/A

10/08/2002

07:46

517.2

53.9

7.8

75.3%

8.01

0.666

0.4

N/A

10/08/2002

07:46

249.5

53.9

7.8

75.3%

8.01

0.666

0.4

N/A

09/24/2002

09:00

770.1

59.2

7.2

72.6%

7.88

0.659

0.4

N/A

09/13/2002

09:26

228.2

62.5

7.2

75.6%

7.97

0.685

0.4

N/A

08/28/2002

09:50

201.4

64.0

7.6

81.2%

7.83

0.672

0.4

N/A

08/15/2002

09:42

298.7

66.4

6.8

75.8%

7.85

0.644

0.4

N/A

08/01/2002

09:30

547.5

67.7

7.4

83.4%

7.80

0.675

0.4

N/A

07/11/2002

10:50

579.4

64.0

N/A

N/A

N/A

N/A

N/A

N/A

06/18/2002

12:56

248.9

65.0

N/A

N/A

N/A

N/A

N/A

N/A

09/27/2001

09:22

184.2

57.8

N/A

N/A

N/A

N/A

N/A

N/A

09/20/2001

09:17

344.8

62.1

N/A

N/A

N/A

N/A

N/A

N/A

08/09/2001

10:50

325.5

69.5

N/A

N/A

N/A

N/A

N/A

N/A

07/26/2001

09:48

920.8

63.1

N/A

N/A

N/A

N/A

N/A

N/A

07/12/2001

09:27

387.3

64.0

N/A

N/A

N/A

N/A

N/A

N/A

06/28/2001

09:38

198.9

70.0

N/A

N/A

N/A

N/A

N/A

N/A

06/14/2001

09:20

209.8

68.0

N/A

N/A

N/A

N/A

N/A

N/A

06/01/2001

09:16

1,299.0

57.6

N/A

N/A

N/A

N/A

N/A

N/A

05/17/2001

09:01

231.0

63.4

N/A

N/A

N/A

N/A

N/A

N/A

05/03/2001

10:30

145.0

N/A

N/A

N/A

N/A

N/A

N/A

N/A

SummaryStatistics

Count

83

78

63

63

67

67

67

47

Average

262.3

54.9

9.3

87.1%

8.04

0.683

0.4

6.9

Minumum

24.3

35.8

5.4

10.2%

7.03

0.386

0.3

2.0

Maximum

1,553.1

70.6

16.4

180.7%

8.96

1.023

0.7

29.2

Above represents the summary statistics of ambient water quality conditions and below is a summary of E. coli bacteria results for PCR-40 (Portage Creek) between May 2001 and May 2009. This site is located in Section Number 10 of City of Portage, South side of Milham Avenue @ T.G. Walbridge D.D.S..

26 out of 83 water sample results exceeded 300 bacteria colonies per 100 ml of water.

29 out of 83 water sample results were between 130 and 299 bacteria colonies per 100 ml of water.

28 out of 83 water sample results were less than 130 bacteria colonies per 100 ml of water.